| Aura Bar Pubs and bars · Dine in style | T3 | — | → |
| Bar 11 Wine & cocktail bar | Terminal 3 · Departures lounge | $$ | → |
| Benugo grab-and-go | Terminal 5 · T5A – departures concourse | $$ | → |
| Big Smoke Taphouse & Kitchen Pub / bar & grill | Terminal 2 (The Queen's Terminal) · Departures, airside | $$ | → |
| Black Sheep Coffee Takeout · Coffeehouse and Café | T3 | — | → |
| Brick Lane Food Court Food court / multi‑cuisine | Terminal 3 · Near main departures concourse | $$ | → |
| Burger King Fast food | Terminal 3 · Departures concourse | $ | → |
| Burger King (Arrivals) Fast food | Terminal 3 · Arrivals hall | $ | → |
| Ca’puccino Italian café | Terminal 3 · Departures concourse | $$ | → |
| Caffè Nero (Airside T5B) coffee shop | Terminal 5 · T5B – near B-gates | $ | → |
| Caffè Nero (Arrivals) Coffee shop | Terminal 3 · Arrivals hall | $ | → |
| Caffè Nero (T5C) coffee shop | Terminal 5 · T5C – gate area | $ | → |
| Caffè Nero Takeout · Coffeehouse and Café | T2 | — | → |
| Camden Food Co. Grab‑and‑go / deli | Terminal 3 · Departures concourse | $$ | → |
| Carluccio's Italian restaurant | Terminal 4 | $$ | → |
| Caviar House & Prunier Seafood Bar seafood bar | Terminal 4 | $$$ | → |
| Caviar House & Prunier Seafood Bar (Airside) bar | Terminal 5 · T5A – departures shopping area | $$$$ | → |
| Caviar House & Prunier Seafood Bar (Landside) bar | Terminal 5 | $$$$ | → |
| Co-Pilots Bar and Kitchen Pubs and bars · Casual dining | T4 | — | → |
| Co-Pilots Bar & Kitchen bar & restaurant | Terminal 4 | $$ | → |
| Costa Coffee Coffee shop | Terminal 3 · Departures concourse | $ | → |
| Costa Coffee (Airside T5A) coffee shop | Terminal 5 · T5A – departures concourse | $ | → |
| Costa Coffee (Arrivals) coffee shop | Terminal 5 | $ | → |
| Costa Coffee (T5C) coffee shop | Terminal 5 · T5C – near C-gates | $ | → |
| Costa Takeout · Coffeehouse and Café | T4 | — | → |
| Dunkin’ Coffee & donuts | Terminal 3 · Check‑in / landside | $ | → |
| EAT. Grab‑and‑go / soup & sandwiches | Terminal 3 · Departures concourse | $ | → |
| EAT. (T5A) grab-and-go | Terminal 5 · T5A – near A-gates | $ | → |
| Five Guys Family favourites · Takeout · Casual dining | T5 | — | → |
| Fortnum & Mason Bar In-flight picnic · Dine in style | T5 | — | → |
| Giraffe (Airside T5A) casual sit-down | Terminal 5 · T5A – main departures concourse | $$ | → |
| Giraffe (Landside) casual sit-down | Terminal 5 | $$ | → |
| Giraffe Family favourites · Casual dining | T5 | — | → |
| Gordon Ramsay Plane Food full-service restaurant | Terminal 5 · T5A – near main security exit | $$$ | → |
| Gordon Ramsay Plane Food Market Family favourites · In-flight picnic · Dine in style | T5 | — | → |
| Gordon Ramsay Plane Food To Go grab-and-go | Terminal 5 · T5A – near Plane Food | $$ | → |
| Heston’s The Perfectionists’ Café Casual dining restaurant | Terminal 2 (The Queen's Terminal) · Departures, upper level airside | $$$ | → |
| Huxleys Restaurant & Bar full-service restaurant | Terminal 5 · T5A – departures concourse | $$ | → |
| itsu Family favourites · International cuisine · Casual dining | T2 | — | → |
| Joe's Coffee House coffee shop | Terminal 4 | $ | → |
| Jones the Grocer Casual dining · Family favourites · Coffeehouse and Café | T2 | — | → |
| KFC Fast food | Terminal 3 · Departures concourse | $ | → |
| Le Café Louis Vuitton Dine in style | T2 | — | → |
| Leon Takeout · In-flight picnic · Casual dining | T2 | — | → |
| London's Pride By Fullers Pubs and bars · Casual dining | T5 | — | → |
| Oriel Grande Brasserie French brasserie | Terminal 3 · Departures lounge | $$$ | → |
| Pilots Bar and Kitchen Pubs and bars · Dine in style | T5 | — | → |
| Pret A Manger (Airside T5A – North) grab-and-go | Terminal 5 · T5A – near North security | $ | → |
| Pret A Manger (Airside T5A – South) grab-and-go | Terminal 5 · T5A – near South security | $ | → |
| Pret A Manger (Departures) Café / sandwiches | Terminal 2 (The Queen's Terminal) · Main Departures concourse airside | $ | → |
| Pret A Manger (Landside) grab-and-go | Terminal 5 | $ | → |
| Pret A Manger | T3 | — | → |
| Rhubarb British Restaurant & Bar full-service restaurant | Terminal 5 · T5A – near main departures | $$$ | → |
| Shan Shui Asian restaurant | Terminal 2 (The Queen's Terminal) · Departures, airside with runway view | $$$ | → |
| Spuntino Italian / small plates | Terminal 3 · Departures lounge | $$ | → |
| Star Light | T3 | — | → |
| Starbucks | T2 | — | → |
| Starbucks (T5A) coffee shop | Terminal 5 · T5A – main concourse | $ | → |
| Starbucks (T5B) coffee shop | Terminal 5 · T5B – gate area | $ | → |
| The Cabin Bar & snacks | Terminal 3 · Near gates 13–22 | $$ | → |
| The Commission | T5 | — | → |
| The Crown Rivers (Wetherspoon – Airside) pub | Terminal 5 · T5A – near A20–A23 | $$ | → |
| The Crown Rivers (Wetherspoon) (Landside) pub | Terminal 5 | $$ | → |
| The Curator Bar & kitchen / gastropub | Terminal 3 · Departures lounge | $$ | → |
| The Curator Bar & Dining | T3 | — | → |
| The Evergreen Bar and Restaurant | T3 | — | → |
| The Globe Pub & Kitchen pub | Terminal 5 · T5A – near A1–A6 | $$ | → |
| The Globe | T5 | — | → |
| The Oceanic Pub / bar | Terminal 3 · Departures lounge | $$ | → |
| The Perfectionists' Café | T2 | — | → |
| The Prince of Wales pub | Terminal 4 | $$ | → |
| The Queen’s Arms | T4 | — | → |
| The Traveller’s Tavern Pub / bar | Terminal 3 · Departures concourse | $$ | → |
| Wagamama | T3 | — | → |
| Wondertree All-day dining restaurant | Terminal 2 (The Queen's Terminal) · Departures, airside | $$ | → |
| YO! Heathrow T2 Japanese / sushi restaurant | Terminal 2 (The Queen's Terminal) · Departures, airside | $$ | → |
| YO! Sushi Japanese / sushi | Terminal 3 · Departures lounge | $$ | → |